server/lib/activitypub/process/process-announce.ts

   1 import { ActivityAnnounce } from '../../../../shared/models/activitypub'
   2 import { retryTransactionWrapper } from '../../../helpers/database-utils'
   3 import { sequelizeTypescript } from '../../../initializers'
   4 import { ActorModel } from '../../../models/activitypub/actor'
   5 import { VideoModel } from '../../../models/video/video'
   6 import { VideoShareModel } from '../../../models/video/video-share'
   7 import { getOrCreateActorAndServerAndModel } from '../actor'
   8 import { forwardActivity } from '../send/misc'
   9 import { getOrCreateAccountAndVideoAndChannel } from '../videos'
  10
  11 async function processAnnounceActivity (activity: ActivityAnnounce) {
  12   const actorAnnouncer = await getOrCreateActorAndServerAndModel(activity.actor)
  13
  14   return processVideoShare(actorAnnouncer, activity)
  15 }
  16
  17 // ---------------------------------------------------------------------------
  18
  19 export {
  20   processAnnounceActivity
  21 }
  22
  23 // ---------------------------------------------------------------------------
  24
  25 function processVideoShare (actorAnnouncer: ActorModel, activity: ActivityAnnounce) {
  26   const options = {
  27     arguments: [ actorAnnouncer, activity ],
  28     errorMessage: 'Cannot share the video activity with many retries.'
  29   }
  30
  31   return retryTransactionWrapper(shareVideo, options)
  32 }
  33
  34 async function shareVideo (actorAnnouncer: ActorModel, activity: ActivityAnnounce) {
  35   const objectUri = typeof activity.object === 'string' ? activity.object : activity.object.id
  36   let video: VideoModel
  37
  38   const res = await getOrCreateAccountAndVideoAndChannel(objectUri)
  39   video = res.video
  40
  41   return sequelizeTypescript.transaction(async t => {
  42     // Add share entry
  43
  44     const share = {
  45       actorId: actorAnnouncer.id,
  46       videoId: video.id
  47     }
  48
  49     const [ , created ] = await VideoShareModel.findOrCreate({
  50       where: share,
  51       defaults: share,
  52       transaction: t
  53     })
  54
  55     if (video.isOwned() && created === true) {
  56       // Don't resend the activity to the sender
  57       const exceptions = [ actorAnnouncer ]
  58       await forwardActivity(activity, t, exceptions)
  59     }
  60
  61     return undefined
  62   })
  63 }